DH

Donn C. Hotchkin

IN Intel: 1 patents #18,218 of 30,777Top 60%
📍 Keller, TX: #236 of 411 inventorsTop 60%
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1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7567658 Method to verify designation of pay telephone with an interexchange carrier Larry D. Hall 2009-07-28